I won't hear a word against XC Pro. The shifting was fantastic on all the bikes I ever built and sold with it, it was far better than XTII at the time. It had a superb build quality with very little plastic used anywhere. Every part was easily available as a spare, from cogs to bolts. The thumbies and front mechs where so good that many companies speced them on bikes that were otherwise shimano equipped, in fact there was a point where the XC Pro mech was the mech to have. The greaseguard meant that every component lasts and lasts, and this is why the pedals still demand such high prices on the bay. It was the grouppo that appeared on most of my childhood dream bikes, from the first RC 100 in the Ron Kit catalogue, the top Kona, Rockey Mountains, Merlins, Specialized Epic Ultimates and the Sugar City bike team Fat Chance bikes.
Sure the triggers where nasty, infact probably helped kill the company, but before then the grouppo had the build passion of campag and the functionality of Shimano-a winning combo I think.